318 Build Combo Critique

nm9stheham said
Some notes:
- With your parts, an LA block, and a 60 cc chamber volume, I am getting the same 9.9 SCR. DCR will be near 8.15.
- I get a piston top that is .011 below deck with the stock LA deck height of 9.599. So we get the same quench gap will of around .041"-.042".
- The significantly lighter pistons and pins will absolutely require a crank rebalance.
- Do you have the AMC lifters and hollow pushrods picked out for the Magnum rocker oiling?

What is the planned use for this engine? Street? Pure drag race?

Have to find AMC lifter and new pushrods. I'll mockup the valvetrain and check pushrod length before I order them. I plan on getting it re-balanced, trying to get the rotating assembly as light as possible.

Mostly street use, some 1/4 mile track use and would like to get into some local AutoX events.

I wanted to go to a 1/16" top and second ring but to do that with a 318 using off the shelf pistons, I would have to go to forged pistons. So I'm stuck with the 5/64" top and second rings.

Could get custom made head gaskets, but they probably aren't cheap. Trying to keep the cost down as much as possible and only spending money where I have to.

Anyone know how much a forged 273 crank weights and how much a cast 318 crank weights?